How to Save Money on Audi Battery Replacement Is your Audi key fob having difficulty locking and unlocking? This could be a sign that the battery needs to be replaced. To replace the battery, open the key made of metal using an flathead and then open the cover off using https://car-locksmiths13564.bloggazza.com/29379316/10-audi-a4-spare-key-friendly-habits-to-be-healthy